PG
14
PG
14
PG
15
W Y
R G
WIRES
5 Wire Heat/Cool
STEP 1 - Connect the W wire to the W terminal.
This connects the heat.
STEP 2 - Connect the Y wire to the Y terminal.
This connects the cooling compressor.
STEP 3 - Connect the R (or RH) wire to the RH terminal. This connects the power.
STEP 4 - Connect the G wire to the G terminal on the thermostat. This connects the fan.
STEP 5 - Connect the C wire to the C terminal.
Your HVAC system is now connected to the CT80.
Please Go To Page 6
W Y RH RC G
WIRES
6 Wire HEAT/Cool
STEP 1 - Connect the W wire to the W terminal. This connects the heat.
STEP 2 - Connect the Y wire to the Y terminal. This connects to the cooling compressor.
STEP 3 - Disconnect the RC and RC terminals by placing the RC-RH switch in the UP position.
STEP 4 - Connect the RH wire to the RH and the RC
wire to the RC terminals. This connects power.
STEP 5 - Connect the G wire to the G terminal. This
connects the fan.
STEP 6 - Connect the C wire to the C terminal.
Your HVAC system is now connected to the CT80.
Please Go To Page 6
R
C and
R
H
connected
HVAC SYSTEM
POWER
W Y R
G
C
THERMOSTAT TERMINALS
C H B O W W2 W3 Y Y2 RH RC G A
DH
EX
HVAC SYSTEM
POWER
W Y R
H
G
C
R
C
R
C and
R
H
disconnected
THERMOSTAT TERMINALS
C H B O W W2 W3 Y Y2 RH RC G A
DH
EX
